？

navigator.userAgentData ／[Edge]

＝[object]：[object NavigatorUAData]

brands＝[object]：[object Object],[object Object],[object Object]

mobile＝[boolean]：false

getHighEntropyValues＝[function]：function getHighEntropyValues() { [native code] }

navigator.userAgentData.brands ／[Edge]

＝[object]：[object Object],[object Object],[object Object]

0＝[object]：[object Object]

1＝[object]：[object Object]

2＝[object]：[object Object]

navigator.userAgentData.brands[0] ／[Edge]

＝[object]：[object Object]

brand＝[string]： Not;A Brand

version＝[string]：99

navigator.userAgentData.brands[1] ／[Edge]

＝[object]：[object Object]

brand＝[string]：Microsoft Edge

version＝[string]：91

navigator.userAgentData.brands[2] ／[Edge]

＝[object]：[object Object]

brand＝[string]：Chromium

version＝[string]：91